Volume 5, International Conference on Mathematics and Engineering Physics (ICMEP-5), May 2010, Pages 1-10
Ashraf F. El-Sherif; Tamer M. kashif
Volume 5, International Conference on Mathematics and Engineering Physics (ICMEP-5), May 2010, Pages 1-12
Ashraf F. El-Sherif; Tamer M. kashif; Nour El-Din H. Ismail; Hania H. Farag